ipublic class Example8_1 {

  public static void main(String args[]) {

       String hello = "你好";

       String testOne = "你"+"好";             //【代码1】

       System.out.println(hello == testOne);   //输出结果是true

       System.out.println("你好" == testOne);  //输出结果是true

       System.out.println("你好" == hello);    //输出结果是true

       String you = "你";

       String hi = "好";

       String testTwo = you+hi;                //【代码2】

       System.out.println(hello == testTwo);   //输出结果是false

       String testThree = you+hi;                       

       System.out.println(testTwo == testThree); //输出结果是false

    }

}
